Patents by Inventor Kristina Pettigrew

Kristina Pettigrew has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20060250108
    Abstract: A supplemental battery is provided for portable electronic devices. The electronic device battery may be charged by a supplemental battery.
    Type: Application
    Filed: May 3, 2006
    Publication date: November 9, 2006
    Inventors: Kristina Pettigrew, Tracey Pettigrew